<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no">
    <title>删除待办</title>
    <style>
        form{
            margin-left:25%;
            margin-top:30%
        }
        input{
            margin-top:20px;
            font-size:20px;
        }
        span{
            font-size:10px;
            color:#ff061f
        }
        #submit{
            margin-left:18%;
            font-size:20px;
            border:1px;
            background:#00bfff
        }
    </style>
</head>
<body>
<div>
    <form action="deleteTheLine" method="post">
        行号：<input type="text" style="width:50px" required="required" name="lineNum"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;必填，输入要删除的行号</span><br><br><br>
        <input type="submit" id="submit" value="提交">
    </form>
</div>
</body>
</html>